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Carbamazepine responsive typewriter tinnitus from basilar invagination


Basilar invagination due to a congenital skeletal disorder kinked the brainstem at the ponto-medullary junction causing both auditory nerves to make an acute turn at the porus acousticus. The associated bilateral asynchronous clicking tinnitus responded to carbamazepine.

  • Tinnitus
  • clicking
  • tinnitus of vascular origin
  • vestibulocochlear nerve diseases
  • trigeminal neuralgia
  • hemifacial spasm

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